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Montbell U.L. Thermawrap Jacket vs Rab Cirrus Flex 2.0 Jacket
Weight and specs compared for 2026 — and which one to choose.
Montbell U.L. Thermawrap Jacket is the lighter option — 68 g lighter than the Rab Cirrus Flex 2.0 Jacket (23% less weight). If grams matter to you, that is the one to beat.
Montbell U.L. Thermawrap Jacket
227 g
Ultralight synthetic Exceloft insulated jacket with 15D Ballistic Airlight nylon shell, highly packable for cool weather.
Check price Full details →Montbell U.L. Thermawrap Jacket vs Rab Cirrus Flex 2.0 Jacket: which should you buy?
If saving weight is your priority, the Montbell U.L. Thermawrap Jacket wins — at 227 g it is 68 g (23%) lighter than the Rab Cirrus Flex 2.0 Jacket (295 g). That said, the heavier option may justify the extra grams with more capacity, durability or comfort, so weigh the trade-off against how you'll use it.
See where both rank against everything else in this category on the lightest clothing - mid layer page, or browse the full gear weight database.
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